Mix-proof valves

PMO mix-proof valves from SPX are designed to meet criteria for PMO for Grade A dairy processes and offer secure separation of products. The valves feature standard pressure ratings of 150 psi and an independent seat-lifting actuator. A balanced lower plug is standard and a crack-resistant, transparent control top houses proximity switches with optional internal solenoid valves. Interface options for Asi Field Bus and DeviceNet are available. The valves are offered in 11⁄2, 2, 21⁄2, 3, 4 and 6-in. tube OD sizes.